. The Devonian of Missouri. Geology; Geology, Stratigraphic; Paleontologie; Devoon. 52 THE DEVONIAN OF 1 2 Fig. 3. Sections of Chonophylum ellipticum Hall. 1. A vertical section of a corallite from the bottom of the cup to two centi- meters below the bottom. (X3/2.) 2. A cross section 4 centimeters below the margin of the cup of the specimen figured on plate 1, fig. 2. This section corresponds to a place about one-third the distance from the bottom of figure 1. (X3/2.) Section of Diplophyllum callawayensis Branson 3. A cross section about 4 centimeters from the base. (X3/2.) Genus A
. The Devonian of Missouri. Geology; Geology, Stratigraphic; Paleontologie; Devoon. 52 THE DEVONIAN OF 1 2 Fig. 3. Sections of Chonophylum ellipticum Hall. 1. A vertical section of a corallite from the bottom of the cup to two centi- meters below the bottom. (X3/2.) 2. A cross section 4 centimeters below the margin of the cup of the specimen figured on plate 1, fig. 2. This section corresponds to a place about one-third the distance from the bottom of figure 1. (X3/2.) Section of Diplophyllum callawayensis Branson 3. A cross section about 4 centimeters from the base. (X3/2.) Genus Acervularis Schweigg Acervularia davidsoni Edwards and Haime Plate 4, figures 9 and 10. 1851. Acervularia davidsoni, Edwards and Haime, Polyp. Foss. des. Terr. Palaeoz, p. 418, pi. 9, figs. 4, 4a and 4b. 1858. Acervularia profunda Hall, Geol. Surv. Iowa, I, pt. 2, pp. 477-478, pi. 1, figs. 7, a, b, c. 1858. Acervularia davidsoni? Hall, Geol. Surv. Iowa, I, pt. 2, pp. 476-477, pi. 1, figs. 8, a, b. 1876. Cyathophyllum davidsoni Rominger, Geol. Surv. Michigan, III, pt. 2, p. lOV, pi. 37, fig. 4. 1885. Cyathophyllum davidsoni Davis, Kentucky Fossil Corals, pt. 2, pi. 93, fig. 2; pi. 113, fig. 3. 1892. Acervularia davidsoni Calvin, Am. Geologist, vol. 9, pp. 355-358. 1894. Acervularia davidsoni Keyes, Pal. Missouri, pt. 1, Mo. Geol. Surv. IV, pp. 104- 105. 1900. Acervularia davidsoni Lambe, Cont. to Canadian Pal. IV, pt. 2, pp. 164-165, pi. 14, fig. 3. 1909. Acervularia davidsoni Grabau and Shimer, North American Index Fossils, I, p. 69, fig. 106. 1911. Acervularia davidsoni Cleland, Wisconsin Geol. Nat. Hist. Surv. Bull. 21, p. 30, pi. 1, figs. 3 and 4. 1918. Acervularia davidsoni Branson, Geology of Missouri, pp. 100-101, pi. 3, fig. 8. Hall's description—"Coral astraeiform, subhemispheric; cells irregularly polygonal, unequal in size, often somewhat circular in the young and half-grown conditions; walls thin, scarcely undulating; inner wall undefined, cup abruptly and deep
Size: 2663px × 938px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectgeology, bookyear1922
